ENH: InteractionLists. Clearing cloud_ along with the

referredParticles, so there are no old particles lingering between
writes.

COMP: Adding surfaceFilmModels to
incompressibleUncoupledKinematicParcelFoam/Make/options

applications/solvers/lagrangian/incompressibleUncoupledKinematicParcelFoam/Make/options

@@ -10,6 +10,7 @@ EXE_INC = \
     -I$(LIB_SRC)/transportModels/incompressible/singlePhaseTransportModel \
     -I$(LIB_SRC)/finiteVolume/lnInclude \
     -I$(LIB_SRC)/meshTools/lnInclude \
+    -I$(LIB_SRC)/surfaceFilmModels/lnInclude
 
 EXE_LIBS = \
     -llagrangian \
@@ -22,4 +23,5 @@ EXE_LIBS = \
     -lincompressibleLESModels \
     -lincompressibleTransportModels \
     -lfiniteVolume \
-    -lmeshTools
+    -lmeshTools \
+    -lsurfaceFilmModels

src/lagrangian/basic/InteractionLists/InteractionLists.C

@@ -323,6 +323,8 @@ void Foam::InteractionLists<ParticleType>::prepareParticlesToRefer
         referredParticles_[i].clear();
     }
 
+    cloud_.clear();
+
     forAll(cellIndexAndTransformToDistribute_, i)
     {
         const labelPair giat = cellIndexAndTransformToDistribute_[i];
@@ -368,8 +370,6 @@ void Foam::InteractionLists<ParticleType>::writeReferredParticleCloud()
 
     if (writeCloud)
     {
-        cloud_.clear();
-
         forAll(referredParticles_, refCellI)
         {
             const IDLList<ParticleType>& refCell = referredParticles_[refCellI];